/**无样式的弹性布局**/
.cell{
  display: flex;
  /*横向排列*/
  flex-direction: row ;
  /*不换行*/
  flex-wrap: nowrap;
  /*两端对齐*/
  justify-content:space-between;
  /*垂直居中*/
  align-items: center;
}
.cell .cell-hd{
  flex-grow: 0;
  flex-shrink:0;
}
.cell .cell-bd{
  flex-grow: 1;
  flex-shrink:1;
}
.cell .cell-ft{
  flex-grow: 0;
  flex-shrink:0;
}
